The Bosch ADS181-101 18 V 1/2 in. right angle drill tackles tough jobs in tight spots, featuring a compact head length with a 1/2 in. large chuck and a motor that produces 160 in.-Lbs. of torque and 1,150 max rpm. It is able to quickly and cleanly drill in many materials up to and including metal. Yet its design and compact head lets carpenters, plumbers and others access hard-to-reach spots. The right angle drills soft grip handle, its extended-position trigger, and its light, under 5 lb. weight give it superior comfort and control. And its been constructed to last, with tough Durashield housing and motor- and gearbox-shielding electronic motor protection and electronic cell protection systems. It comes with a long-lasting 18V lithium-ion FatPack battery and a charger.